Table 2 Zone settings of the distance relays, R12, R21 & R23 using PAZSD methodology
Case studies | Zset-old | Current Coefficient K 1 , K 2 & K 3 | Zset-new as per the proposed methodology | ||||
|---|---|---|---|---|---|---|---|
Zone-1 | Zone-2 | Zone-3 | Zone-1 | Zone-2 | Zone-3 | ||
Case 1 | 6.552 + j83.44 | 12.285 + j156.45 | 17.199 + j219.03 | 49, 49 & 49 | 321.048 + j4088.56 | 601.965+ j7666.05 | 842.751+ j10732.47 |
Case 2 | 1.82, 1.79 & 1.9 | 12.449 + j158.536 | 23.342+ j297.255 | 32.678+ j416.157 | |||
Case 3 | 1.8, 1.78 & 1.89 | 12.383 + j157.702 | 23.219+ j295.691 | 32.506+ j413.967 | |||